Practical lower bound for scalar fields on a lattice
- 15 September 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 14 (6) , 1686-1689
- https://doi.org/10.1103/physrevd.14.1686
Abstract
A simple lower bound on the ground-state energy density is derived for a scalar field on a lattice. This bound is applied to theory in one space and one time dimension and the results compared with available upper bounds.
Keywords
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